Patent · US Active

Physical layer loopback

US7324458B2 · kind B2 · utility

23Cited by

4References

27Claims

0Family size

Assignee

Intel Corporation · US

Inventors

Theodore Z. Schoenborn · Portland, US
Andrew Martwick · Folsom, US
David S. Dunning · Portland, US

Key dates

Filing date	Mar 21, 2003
Grant date	Jan 29, 2008
Priority date	—
Expiry date	Jul 6, 2026

Classification

Technology area (CPC H)Electricity
CPC primaryH04L43/50
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

In some embodiments, a chip comprises control circuitry to provide inband signals, inband output ports, and transmitters to transmit the inband signals to the inband output ports. The control circuitry selectively includes loopback initiating commands in the inband signals. Other embodiments are described and claimed.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.